14 Sep, 2025
5 mins read

Genetic peptides that shape gut bacteria may protect against obesity and diabetes

[ad_1] Schematic of murine defensin secretion from Paneth cells into the small intestine. Credit: The EMBO Journal (2025). DOI: 10.1038/s44318-025-00555-5 New research from the University of Sydney’s Charles Perkins Center has found that genes play an active role in shaping the bacteria found in our gut, questioning the idea that gut health is influenced only […]

6 mins read

This rare white dwarf looks normal, until Hubble shows its explosive secret

[ad_1] An international team of astronomers has discovered a cosmic rarity: an ultra-massive white dwarf star resulting from a white dwarf merging with another star, rather than through the evolution of a single star. This discovery, made by NASA’s Hubble Space Telescope’s sensitive ultraviolet observations, suggests these rare white dwarfs may be more common than […]

3 mins read

Australia to deploy fleet of underwater attack drones dubbed “Ghost Sharks”

[ad_1] Australia will spend $1.1 billion on building dozens of locally developed underwater attack drones, Defense Minister Richard Marles said on Wednesday. The first of the stealthy, long-range “Ghost Sharks” will be delivered to the Australian navy in January next year under a five-year contract with Sydney-based Anduril Australia, Marles said. “Australia is leading the […]

5 mins read

Blocked blood flow makes cancer grow faster

[ad_1] Cutting off blood flow can prematurely age the bone marrow, weakening the immune system’s ability to fight cancer, according to a new study from NYU Langone Health. Published online August 19 in JACC-CardioOncology, the study showed that peripheral ischemia-restricted blood flow in the arteries in the legs-caused breast tumors in mice to grow at […]

3 mins read

RSV vaccine linked to fewer cardiorespiratory hospitalizations in adults over 60

[ad_1] Credit: Unsplash/CC0 Public Domain A multi-institutional collaboration led by the Center for Translational Cardiology and Pragmatic Randomized Trials at Copenhagen University Hospital-Herlev and Gentofte, University of Copenhagen, reports that RSVpreF vaccination reduced all-cause cardiorespiratory hospitalizations in adults aged 60 years or older. Respiratory syncytial virus is linked to elevated cardiovascular risk in older adults, […]